"""SQLAlchemy ORM models for the application database."""
from datetime import datetime

from sqlalchemy import Boolean, DateTime, Integer, String, Text, func
from sqlalchemy.orm import Mapped, mapped_column

from ..database import Base


class SystemSetting(Base):
    """Stores application-level configuration key-value pairs."""

    __tablename__ = "system_settings"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    key: Mapped[str] = mapped_column(String(255), unique=True, nullable=False, index=True)
    value: Mapped[str] = mapped_column(Text, nullable=False)
    encrypted: Mapped[bool] = mapped_column(Boolean, default=False)
    updated_at: Mapped[datetime] = mapped_column(
        DateTime, default=func.now(), onupdate=func.now()
    )


class ApiToken(Base):
    """API tokens for programmatic access."""

    __tablename__ = "api_tokens"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    name: Mapped[str] = mapped_column(String(255), nullable=False)
    token: Mapped[str] = mapped_column(String(512), unique=True, nullable=False, index=True)
    permissions: Mapped[str] = mapped_column(Text, default="[]")  # JSON string
    is_active: Mapped[bool] = mapped_column(Boolean, default=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())
    expires_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
    last_used_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)


class CardLog(Base):
    """Logs for card-related operations."""

    __tablename__ = "card_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    card_id: Mapped[str | None] = mapped_column(String(255), nullable=True)
    cardholder_id: Mapped[str | None] = mapped_column(String(255), nullable=True)
    action: Mapped[str] = mapped_column(String(100), nullable=False)
    status: Mapped[str] = mapped_column(String(50), nullable=False)
    operator: Mapped[str] = mapped_column(String(255), nullable=False)
    request_data: Mapped[str | None] = mapped_column(Text, nullable=True)
    response_data: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())


class AuditLog(Base):
    """General audit trail for all administrative actions."""

    __tablename__ = "audit_logs"

    id: Mapped[int] = mapped_column(Integer, primary_key=True, autoincrement=True)
    action: Mapped[str] = mapped_column(String(100), nullable=False)
    resource_type: Mapped[str] = mapped_column(String(100), nullable=False)
    resource_id: Mapped[str | None] = mapped_column(String(255), nullable=True)
    operator: Mapped[str] = mapped_column(String(255), nullable=False)
    ip_address: Mapped[str | None] = mapped_column(String(45), nullable=True)
    details: Mapped[str | None] = mapped_column(Text, nullable=True)
    created_at: Mapped[datetime] = mapped_column(DateTime, default=func.now())